The title compound (PAP) with excellent nonlinear optical prpper-ties has been synthesized. CHCHSCOO , monoclinic with space group P21, a = 4. 521(1), b = 9.601(6), c=17. 892(2)(?) , β=96. 12(1)°, V =772.8(?)3, ...The title compound (PAP) with excellent nonlinear optical prpper-ties has been synthesized. CHCHSCOO , monoclinic with space group P21, a = 4. 521(1), b = 9.601(6), c=17. 892(2)(?) , β=96. 12(1)°, V =772.8(?)3, Z = 2, Dc=1.44g · cm-3, F(000)-348, μ= 1.24cm-1. The second-harmonic intensities of PAP, MAP and NaAP HAP were measured,with the values which are 100, 50, 5. 0 times as large as that of KDP, respectively, Indicating that PAP is a new NLO crystal.展开更多
In the present paper the problem of nonlinear interaction of two mildly-relativistic circularly polarized lasers in a cold plasma is studied in order to investigate electromagneticaily induced transparency （EIT）. Ba...In the present paper the problem of nonlinear interaction of two mildly-relativistic circularly polarized lasers in a cold plasma is studied in order to investigate electromagneticaily induced transparency （EIT）. Based on a relativistic kinetic model, by expansion of relativistic Lorentz factor in terms of lasers amplitude, we obtain the coupled nonlinear dispersion relations. It is observed that due to resonance in the second harmonic of plasma beat-wave, the new EIT pass-band is created in the high intensities of lasers. The effect of amplitude and frequency variation on the dispersion is numerically investigated.展开更多
基金The project supported by National Natural Sciences Foundation of China
文摘The title compound (PAP) with excellent nonlinear optical prpper-ties has been synthesized. CHCHSCOO , monoclinic with space group P21, a = 4. 521(1), b = 9.601(6), c=17. 892(2)(?) , β=96. 12(1)°, V =772.8(?)3, Z = 2, Dc=1.44g · cm-3, F(000)-348, μ= 1.24cm-1. The second-harmonic intensities of PAP, MAP and NaAP HAP were measured,with the values which are 100, 50, 5. 0 times as large as that of KDP, respectively, Indicating that PAP is a new NLO crystal.
文摘In the present paper the problem of nonlinear interaction of two mildly-relativistic circularly polarized lasers in a cold plasma is studied in order to investigate electromagneticaily induced transparency （EIT）. Based on a relativistic kinetic model, by expansion of relativistic Lorentz factor in terms of lasers amplitude, we obtain the coupled nonlinear dispersion relations. It is observed that due to resonance in the second harmonic of plasma beat-wave, the new EIT pass-band is created in the high intensities of lasers. The effect of amplitude and frequency variation on the dispersion is numerically investigated.
